... lamp socket 2.:Body Material:Porcelain 3.:Aluminum/copper/zinc alloy etc 4.:Good quality & Low Price 5.:CE RoHS E40 ... Porcelain lamp socket Item No.:FR538B-P 1.Series: E12,E14,E27,E40,B22,GU10,GU24 etc2 ... Material: Porcelain10.Metal Material:Aluminium,Copper,Brass,Nickel and Zinc Alloy.